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FY2026 GAA: ₱6.79T
PisoScan
DemoFor public education only. These blocks are built by PisoScan from published PhilGEPS records to show how a budget ledger like CADENA would work. No government agency created or signed them, and this is not an official ledger. How it works

Transaction details

API
Transaction action

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - SURIGAO DEL SUR 2N Award a ₱27.9M contract to CONCEPCION BASIC BUILDERS, INC.National agencies

Transaction hash:
7afe90db1cb2aaab18ec994131f315bc3ad9b8da6ff8e47211fefa7b9c12a9cb
Status:
Included and unchanged
Block:
#4,014 1,999 blocks after it
Position in block:
Transaction 299 of 608
Award day:
Feb 3, 2020 (6 yrs 9 mo ago)

Accountability

Bill Sec. 3 and 19
Accountable officer:
Not stated in the source. PhilGEPS does not publish who certified the award.
Certification:
Not certified No agency signed this record. Under CADENA the accountable officer would sign it with their own key.
Demo signature:
Block #4,014 signature valid Demo key, proves nothing about the governmentPublic key

Linked records: from budget to payment

Bill Sec. 5
  1. 1. Appropriation
    GAA line item · Sec. 5(b)
    DPWH lists the funding source as "Regular Infra - GAA 2020 OO-2", i.e. the FY2020 GAA. The exact UACS line is not given.
    Partly
  2. 2. Allotment release
    SARO / allotment · Sec. 5(c)(iii)
    Not published per project. DBM releases SAROs, but not linked to individual contracts.
    Not published
  3. 3. Cash allocation
    Notice of Cash Allocation · Sec. 5(c)(iv)
    Not published per project.
    Not published
  4. 4. Contract award
    Notice of Award (PhilGEPS) · Sec. 5(d)
    DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - SURIGAO DEL SUR 2N awarded it to CONCEPCION BASIC BUILDERS, INC. on 2020-02-03.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 20NI0015: Completed, 100% physical progress.
    Found
  6. 6. Payment
    Disbursement voucher · Sec. 5(c)(viii)
    Not published. No public source shows how much of this contract has been paid.
    Not published
  7. 7. Completion
    Certificate of completion · Sec. 5(d)
    DPWH marks the contract "Completed" (end 2020-12-23). The certificate itself is not published.
    Partly
  8. 8. Audit
    COA annual audit report · Sec. 5(e)(iii)
    No COA finding linked to this contract.
    Not published

2 of 8 documents found, 2 partly. Under CADENA every step would be published within 7 working days and linked to this record.

Tamper test: try changing this record

Demo

Edit the amount as if someone quietly changed the record. Your browser re-hashes it and walks up the chain. Nothing is saved.

  1. 1. Record fingerprint changed
    stored   7afe90db1c…12a9cbnow      …
  2. 2. Block Merkle root changed
    stored   2ab1669a7a…bf68a2now      …
  3. 3. Block #4014 hash changed
    stored   a07bf23c15…6a6a0enow      …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (10 steps)

How this one record is tied to the block's Merkle root, without needing the other 607 records. Each step hashes the current value together with the sibling shown.

  1. leaf  7afe90db1cb2aaab18ec994131f315bc3ad9b8da6ff8e47211fefa7b9c12a9cb
  2. 01 L 7a9ed91c8b3262c8099a8198002bf47b3a723abcfc6c09e11bc6b34a7a89c35a
  3. 02 L 97cf4f40eade2f8d29448ec1d874cd8e0a6848926d3bd520d2b0a007b6902f82
  4. 03 R ebafe03afbfa0073dd24af012b6f3b4ddeec4e8c26f6f37aed65872788e4508a
  5. 04 L fc635e4337b53ccee572d762fb2fad8a780766d3870c73e3a22e18300bb33d26
  6. 05 R 2e833a9ce43c566216b9b4b28807759501218f22a27de100efa1947f154538d9
  7. 06 L cdc1cd3335cc098f668c73afd0b689ec1413e53539239442c4cc23a1c86edec1
  8. 07 R f725cabef63bb15f284d2585ffea4757aece273343d81bdaa10b41a15f91ed54
  9. 08 R 703cdbecead1c72716034cbd1da20d2defc8c88cd1e94af886f2473ca5c1c088
  10. 09 L 427cde4ea5239e1de5bfeb905ad75c723c9bccf6f471c40b184f6ed7e4731419
  11. 10 R 0047ebd075782419e0d04cabc88a41a83fb7ef8e5268b0dc97fa177f25b9c49e
  12. root  2ab1669a7a5de2b5ad78686bf08d8d9a13c7dc834ede66db19711eb69fbf68a2